A5052652640- Building materials and conservation
- Lichen and fungal ecology
- Conservation Techniques and Studies
- Microbial Community Ecology and Physiology
- Biocrusts and Microbial Ecology
- Microbial Applications in Construction Materials
- Microplastics and Plastic Pollution
- Marine Biology and Environmental Chemistry
- Endodontics and Root Canal Treatments
- Mycorrhizal Fungi and Plant Interactions
- Insect Utilization and Effects
- Research on Leishmaniasis Studies
- Nanoparticles: synthesis and applications
- Plant-Microbe Interactions and Immunity
- Phytochemical compounds biological activities
- Enzyme Production and Characterization
- Cultural Heritage Materials Analysis
- Corrosion Behavior and Inhibition
- Mosquito-borne diseases and control
- Insect Pest Control Strategies
- Parasitic Infections and Diagnostics
- Marine and coastal plant biology
- Enzyme-mediated dye degradation
- Metal Extraction and Bioleaching
- Mine drainage and remediation techniques
Autonomous University of Campeche
2014-2024
Autonomous University of Yucatán
2022
Universidad Nacional Autónoma de México
2022
Center for Research and Advanced Studies of the National Polytechnic Institute
2007-2008
Ifremer
2000
The presence and deteriorating action of microbial biofilms on historic stone buildings have received considerable attention in the past few years. Among microorganisms, fungi are one most damaging groups. In present work, antimicrobial surfaces were prepared using suspensions Ca(OH)2 particles, mixed with ZnO or TiO2 nanoparticles. evaluated for their antifungal activity both dark under simulated natural photoperiod cycles, Penicillium oxalicum Aspergillus niger as model organisms, two...
Cadmium is a major heavy metal found in polluted aquatic environments, mainly derived from industrial production processes. We evaluated the biosorption of solubilized Cd2+ using extracellular polymeric substances (EPS) produced by Bacillus sp. MC3B-22 and Microbacterium MC3B-10 (Microbactan); these bacteria were originally isolated intertidal biofilms off coast Campeche, Mexico. EPS incubated with different concentrations cadmium ultrapure water. Residual determined Inductive Coupled...
The excessive use of fertilizers in agriculture is mainly due to the recognized plant requirements for soluble phosphorus. This problem has limited implementation sustainable agriculture. A viable alternative phosphate solubilizing soil microorganisms. work aimed isolate inorganic phosphorus-solubilizing bacteria from soils agroecosystems, select and identify, based on sequencing phylogenetic analysis 16S rRNA gene, bacterium with highest capacity vitro solubilization phosphate....
This study was performed to determine the potential of tropical intertidal biofilm bacteria as a source novel exopolymers (EPS).A screening procedure implemented detect EPS-producing bacteria. Isolates MC3B-10 and MC6B-22, identified respectively Microbacterium species Bacillus by 16S rDNA cellular fatty acids analyses, produced different EPS, evidenced colorimetric gas chromatographic analyses. The polymer isolate displays significant surfactant activity, may chelate calcium spectroscopic...
A previously reported bacterial bioemulsifier, here termed microbactan, was further analyzed to characterize its lipid component, molecular weight, ionic character and toxicity, along with bioemulsifying potential for hydrophobic substrates at a range of temperatures, salinities pH values. Analyses showed that microbactan is high weight (700 kDa), non-ionic molecule. Gas chromatography the fraction revealed presence palmitic, stearic, oleic acids; thus may be considered glycolipoprotein....
Soil and rock surfaces support microbial communities involved in mineral weathering processes. Using selective isolation, fungi were obtained from limestone of Mayan monuments the semi-arid climate at Yucatan, Mexico. A total 101 isolates representing 53 different taxa studied. Common such as Fusarium, Pestalotiopsis, Trichoderma Penicillium associated with were, probably derived airborne spores. In contrast, unusual Rosellinia, Annulohypoxylon, Xylaria predominantly identified mycelium...
Cultural heritage buildings of stone construction require careful restorative actions to maintain them as close the original condition possible. This includes consolidation and cleaning structure. Traditional consolidants may have poor performance due structural drawbacks such low adhesion, penetration flexibility. The requirement for organic be dissolved in volatile compounds pose environmental human health risks. conservation treatments can replaced by more environmentally acceptable,...
The black soldier fly, Hermetia illucens (BSF, Diptera: Stratiomyidae) is an insect with high protein value and a potential feed agent for animals aimed human consumption. growth parameters of BSF larvae reared on four substrates-restaurant-waste, fruit-waste, fish-waste, commercial tilapia food-for 41 days before processing inclusion into Oreochromis niloticus (Perciformes: Cichlidae, Nile tilapia) fry diets at 30% (70:30) were determined. On fly larvae, the food substrate based restaurant...
Biofilms colonizing ancient limestone Mayan monuments in Uxmal (Yucatán, Mexico) were characterized for their microbial composition and differences using phospholipid fatty acid (PLFA) analysis single-strand conformation polymorphism (SSCP) of polymerase chain reaction (PCR)-amplified genes the rRNA small subunit. 1–7, displaying different macroscopic characteristics, drawn from interior exterior walls, which by microenvironmental conditions. Inner surfaces that exposed to low light...
Biofilms on the salted ceiling of a limestone tunnel at Mayan site Edzna, Mexico, were characterised using SEM, EDS, chemical analysis, light microscopy, culture and pigment analysis. Major superficial biomass was pigmented, scytonemin-rich Subsection II cyanobacteria. Main endolithic phototrophs I cyanobacteria alga Nanochlorum. Bacteria actinomycetes Geodermatophilus, nocardioform, streptomycete groups present all levels. Salt crystals, mainly sulfates, found throughout stone. Microbial...
The assembly of fungal communities on stone materials is mainly influenced by the differential bioreceptivity such and environmental conditions. However, little known about role interactions in colonization establishment species. We analyzed effects intra- interspecific between 11 species fungi oligotrophic copiotrophic media limestone coupons. In a previous study, these were most frequently isolated epilithic biofilms walls exposed to subtropical climate. culture media, we found greater...